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논문 기본 정보

자료유형
학술저널
저자정보
Yang Liu (Yangtze University) Wu Chen (Yangtze University) Shanhui Zhang (Yangtze University) Dongpo Shi (Yangtze University) Mijia Zhu (Yangtze University)
저널정보
대한환경공학회 Environmental Engineering Research Environmental Engineering Research 제24권 제3호
발행연도
2019.9
수록면
521 - 528 (8page)

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초록· 키워드

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Electrochemical method was used for the fracturing flow-back fluid treatment in Guangyuan oilfield. After performing electrolysis, we found that the amount of H₂ gas produced by electrode was closely related to the combination mode of electrodes and electrode materials. Using an aluminium electrode resulted in a large H₂ production of each electrode combination, whereas inert anode and cathode materials resulted in low H₂ production. Then, the relationship between the gas production of H₂ and the treatment efficiency of fracturing flow-back fluid in Guangyuan oilfield was studied. Results showed that the turbidity removal and decolourisation rates of fracturing flow-back fluid were high when H₂ production was high. If the H₂ production of inert electrode was large, the energy consumption of this inert electrode was also high. However, energy consumption when an aluminium anode material was used was lower than that when the inert electrode was used, whereas the corresponding electrode combination production of H₂ was larger than that of the inert electrode combination. When the inert electrode was used as anode, the gas production type was mainly O₂, and Cl₂ was also produced and dissolved in water to form ClO−. H₂ production at the cathode was reduced because ClO− obtained electrons.

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ABSTRACT
1. Introduction
2. Materials and Methods
3. Results and Discussion
4. Conclusions
References

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